Geometry
The common end point of angle sides and is always the middle letter when naming the angle.
What is a vertex?
A quadrilateral with exactly one pair of parallel sides
What is a trapezoid
A triangle with one angle that measures exactly 90 degrees
What is a right triangle
A quadrilateral with 2 pairs of parallel sides and no right angles
What is a parallelogram
Any polygon with 4 sides
What is a quadrilateral
A quadrilateral that has opposite sides that are parallel and all of its sides are the same length, but has no right angles
What is a rhombus